Arduino as Ethernet Server - Simple ModBus
Group, I have an Arduino with the Ethernet shield communicating with LWCVI via the standard TCP/IP library. I will eventually create a small ModBus (TCP) implementation with this system to retrieve...
View ArticleDeux UI Timers s'exécutent en parallèle
Bonjour,Je suis débutante en Labwindows CVI et j'ai trouvé des difficultés ,Dans mon application j'ai trois volets : 1er volet: remplissage d'une structuretypedef struct{int id;int x[10];int...
View ArticleSQL toolkit Win7 connection problem
I'm using CVI 2013 and the SQL toolkit (2.2) tto connect to a mySQL database. I can connect fine using my development computer, but not with the target one. Both computers are running 64-bit Windows...
View Articlestoring byte data in char
i have to calculate 32 bit crc of my 436 byte data and then send 440 bytes on to serial , 436[data] + 4(crc) = 440 [total data]1) share some reliable and good 32 bit crc code2) data type to define fine...
View ArticleConverting a LabView driver to a DLL then calling that DLL from CVI
In this era there are no native CVI drivers; the only option is to convert a LabView Driver to a DLL and then call that DLL from CVI. My issue is that I cannot seem to pass in a string as a Visa...
View ArticleProblem with Browse Identifier
Hi, one of my projects consists of many files. If I open it or change the build mode it takes some time to generate browsing information. Now, if I use the browse identifier to see where a function is...
View Articlelimited definition knowledge
Hi, I just came across the following issue with the IDE: CVI provides a nice feature 'Go To Definition', surprisingly it seems not to always work... The test case: In the call to viFindRsrc ( ) I have...
View Articlehow adjust the panel size according the user wish
I want to adjust the panel size automatically, when the user select the width and height for main panel where it should automatically update for remaining panels. Thanks
View Articlefwrite error : trying to write 26 bytes to file and having issues
i am trying to write 26 Hex Bytes data to file using fwrite and i am having unknown issues due to which 27 bytes get written /////////////////////////////////// Code...
View Articleemail attacment
HiNow I use ShellExecute(NULL,NULL,MailAdr,NULL,NULL,0); to "open" an email with "MailAdr" as reciver.I would like to exend the functionality to automatically attach some files. It's important that it...
View Articlevfw32 (video for windows) put capture window into a panel?
Hey there, I'm using the vf32.lib (+gdi32.lib) to connect a webcam to cvi. I use the command: capCreateCaptureWindow("live capture", WS_POPUP|WS_CAPTION, 0, 0, WIDTH, HEIGHT, 0, 0) to create a capture...
View Articlemessage popup not appearing
I created a dll that had a message popup (userint.h) using Cvi version 6 on Windows XP, then using the Cvi runtime module and everything was good. I am now using Windows 7 (32 bit) and the latest Cvi...
View Articlemultiple task analog input call back
The code shown below is a callback for 1 to 3 analog input tasks. Why would is throw a random error of "Array argument too small" on the second task's DAQmxReadAnalogF64 call? Is this the best way to...
View ArticleFile acces permision denied
HiRecently when I start CVI with the project I'm working on I get the error message "File access permision denied".I bellive it started after a Windows update.I have CVI 2013 servicepack2 and...
View ArticleDeleteGraphPlot
Hello, I have question even if i feel that's a stupid question but i have doubts about the function DeleteGraphPlot() When we use this function all the data entered in plot functions (plotXY,...
View ArticleCVI function not a number%2C path or refnum
What CVI function should I use for not a number, path or refnum? Also, function to check for an empty path or empty file. Examples including would be greatly appreciated.
View ArticleLoading external DLL
HiI try to load an external dll (libquickmail-0.dll) that is located in the project directory.I have tried two different ways : 1 : LoadLibrary("e:\\CVI\\SourceFiles\\Test\\libquickmail-0.dll");...
View ArticleDistribution Kit and Installation Question
I have an app that I built with LabWindows/CVI 2009. I also built a distribution kit for it. How can I indicate in my distribution kit that I want to be able to install the same version or an earlier...
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Error installing LabWindows/CVI Trial
I got the following error while installing the trial version. Any siggestions?Thanks!
View ArticleCIC filter design and implementation
I need a CIC (cascaded integrator-comb) filter - see hereHow can I design and implement it in CVI? Thanks
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